<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box"><img src="../assets/logo.png" alt=""></div>
      <el-form label-width='0px' class="login_form" :model='loginForm' :rules='loginFormRules' ref='loginFormRef'>
        <!-- 用户名 -->
        <el-form-item prop='username'>
          <el-input prefix-icon='iconfont icon-user' v-model='loginForm.username'></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop='password'>
          <el-input prefix-icon='iconfont icon-3702mima' v-model='loginForm.password' show-password></el-input>
        </el-form-item>
        <!-- 按钮操作 -->
        <el-form-item class="btns">
          <el-button type='primary' @click='login'>登录</el-button>
          <el-button type='info' @click='resetLoginForm'>重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'Login',
    data() {
      return {
        // 登录表单的数据对象
        loginForm: {
          username: 'admin',
          password: '123456'
        },
        // 表单的验证规则对象
        loginFormRules: {
          username: [
            { required: true, message: '请输入登录名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
          ],
          password: [
            { required: true, message: '请输入登录密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
          ]
        }
      }
    },
    methods: {
      // 重置登录
      resetLoginForm() {
        console.log(11);
        this.$refs.loginFormRef.resetFields()
      },
      login() {
        this.$refs.loginFormRef.validate(async (valid) => {
          if (!valid) return;

          const { data: res } = await this.$http.post('/login', this.loginForm)
          if (res.meta.status !== 200) return this.$message({
            type: 'error',
            message: '登陆失败'
          })

          this.$message({
            type: 'success',
            message: '登陆成功'
          })
          // 登录成功保存token
          window.sessionStorage.setItem('token', res.data.token)
          // 跳转页面
          this.$router.push('/home')
        })
      }
    },
    components: {

    }
  }
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;

    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    background-color: #eee;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .avatar_box img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;

  }
</style>